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Article
January 1977

Intrahepatic Vascular Division in the PigBasis for Partial Hepatectomies

Author Affiliations

From the Department of Surgery, Experimental Surgery Unit, Ciudad Sanitaria "Francisco Franco," Barcelona, Spain.

Arch Surg. 1977;112(1):38-40. doi:10.1001/archsurg.1977.01370010040007
Abstract

• Transplantation of resected hepatic fragments, with the attendant vascular and biliary tract reconstruction, presents difficulties. We have studied the intraparenchymal vascular division in the pig with a view to performing partial hepatectomies with the greatest possible anatomical support.

Forty-six molds of the various vascular territories were obtained from the 31 porcine livers. Each segment of the median lobe is dependent on the adjacent lateral lobe. Its intersegmental fissure is the obligatory site for parenchymal section to be continued through horizontal portion of portal vein, hepatic artery, and left hepatic duct. A right hemihepatectomy unfailingly results in the devitalization of the left side of the liver.

If the goal of a hepatectomy is the transplantation of the resected fragment, it is recommended that the right side of the liver be utilized, as its more convenient extrahepatic vascular and biliary calibre will permit pedicular conservation and anastomosis.

(Arch Surg 112:38-40, 1977)

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